No problem, we've got 3078 and 6711 to multiply
3078 × 6711 = 6711 × (3078)
+ 6711 × 8 that is equal 53688
+ 6711 × 70 what gives us 469770
+ 6711 × 000 that results in 0
+ 6711 × 3000 yielding 20133000

= 20656458
